Multilayer transparent polyester film, method for manufacturing said film and use of said film in particular in the backsheets of photovoltaic panels
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United States of America Patent
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Jul 14, 2020
Grant Date -
Jan 12, 2017
app pub date -
Jan 30, 2015
filing date -
Jan 31, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A biaxially oriented multilayer transparent film including at least two layers of polyester, respectively a core layer and at least one outer layer, which can be identical or different, wherein: i) at least the core layer includes at least one biaxially oriented transparent polyester PE1, ii) at least one of the outer layers includes, on the one hand, at least one biaxially oriented polyester PE2, and, on the other hand, particles coming from the reaction between at least one metal compound and at least one monomeric or oligomeric unit of PE2, the particles having more preferably a d50—as μm and following an order of preference—between 0.5 and 5; between 1.0 and 4, and between 1.5 and 3.0. Also relates to the manufacture of this film and its applications as a laminate in particular in the backsheets of photovoltaic cells.
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International Classification(s)
- H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B29D:PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FRO....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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